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Repair information and guides for the iPhone 6 that was released on September 19, 2014. Model Numbers: A1549, A1586, and A1589

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Heat in top-right corner after screen replacement.

Hi,

I have recently replaced the screen of my iPhone 6 with a cheap replacement part from AliExpress (it had good reviews). First thing I noticed is that the phone is now a bit thicker but in a shop I was explained that this can happen with replacement parts (I wasn’t aware of that). No biggie, I can live with that. More problematic is that the battery drains super quick (it barely charges while switched on) and the top-right corner of the device (looking from the front) becomes very hot. I read in another thread that it could be a problem with a flex cable so I went to a shop to get it checked. They confirmed the problem and supposedly replaced the flex cable but the phone still gets very hot and so they said they can’t help me because it could be a broken mainboard (according to them). Now I have this phone lying around and I don’t know how to proceed. What would you suggest me? Are there ways to identify what exactly the problem could be? Any help is appreciated.

Thanks!

Answered! View the answer I have this problem too

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Some aftermarket screens are thicker than the originals indeed. The two symptoms you describe point to a short sowewhere, either screen or logic board side. You may try disconnecting the lcd assembly and start up the phone without it by plugging in the lightning cord. If you have a PC you may verify it’s recognized by itunes . Then check if the connector area still overheats without screen. If it doesn’t it’s probable that you got a faulty replacement screen. If abnormal battery consumption and overheating is still there even without screen something might have been damaged during replacement..check the connectors are in good shape with all pins in place with a good light source and some magnification. I doubt the shop replaced anything at all..if they were able to replace a flat cable on a screen, getting rid of a short should be a joke for them.

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Ro Hi will be eternally grateful.
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